| 释义 |
double helixˌdouble ˈhelix noun [countable] technical   - Cobras are constantly depicted entwined in a double helix.
- Each then acts as a template to which other simpler molecules become attached until each has once more become a double helix.
- If the ends of such non-dividing clone are held while it grows, then unexpectedly a double helix appears.
- In the formation of the double helix, a total of 12 rotors are restricted per base pair stack.
- The entwined serpents forming a double helix gave birth to the Caduceus.
- These conformations influence the position of the phosphate group with respect to the grooves of the double helix.
- Thus each double helix becomes two double helices, with the two new doublets remaining joined at the centromere.
► Microbes/Genetics/Biochembacillus, nounbacteria, nounbacteriology, nounchromosome, nounclone, nounclone, verbcross, verbcrossbreed, verbcrossbreed, nouncross-fertilize, verbculture, nouncytology, nounDNA, noundominant, adjectivedouble helix, nounfraternal twin, noungamete, noungene, noungenetic, adjectivegenetically modified, adjectivegenetic code, noungenetic engineering, noungenetic modification, noungenetics, noungenome, noungenotype, noungerm, nounGM, adjectivehereditary, adjectiveheredity, nounhybrid, nounidentical twin, nounincubate, verbinheritance, nouninsecticide, nounmicrobe, nounMRSA, nounmutant, nounmutate, verbmutation, nounnucleic acid, nounparthenogenesis, nounpasteurized, adjectivepathogen, nounpesticide, nounplasma, nounprotozoan, nounptomaine, nounrecessive, adjectiveRNA, nounsalmonella, nounsuperbug, nountoxin, nountransgenic, adjectivevirus, nounweedkiller, nounX chromosome, nounY chromosome, nounzygote, noun  a shape consisting of two parallel spirals that twist around the same centre, found especially in the structure of DNA |